> $ git clone git@github.com:cc65/cc65.git
> $ cd cc65
> $ git log --all --format='%aN <%cE>' | sort -u
This is not authoritative. For example someone could sent an email to
Ullrich with his/her patch.
As it was not commited by the contributor
but Ullrich, the person's identity is lost.
But well, the commit log can be a good starting point. May you Oliver
handle this?